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A036973 (7*n^3+4*n^2+4*n)*binomial(2*n,n)/30. 0
0, 1, 16, 158, 1232, 8358, 51744, 300300, 1661088, 8853702, 45819488, 231499268, 1146562144, 5584082140, 26808586560, 127118807640, 596271746880, 2770379517510, 12763270285920, 58358565060180, 265032926077920, 1196278125942900 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

Knuth, The Art of Computer Programming, Vol. 3, Section 5.2.1, Problem 15.

LINKS

Table of n, a(n) for n=0..21.

CROSSREFS

Sequence in context: A155649 A184598 A211831 * A101931 A220630 A041005

Adjacent sequences:  A036970 A036971 A036972 * A036974 A036975 A036976

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 22 23:00 EDT 2014. Contains 245976 sequences.